2001-2023 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode. Our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2001-2005 |
Chevrolet |
Silverado 2500 HD |
Base |
| 2015-2016 |
Chevrolet |
Silverado 2500 HD |
High Country |
| 2001-2006 |
Chevrolet |
Silverado 2500 HD |
LS |
| 2001-2016 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2007-2016 |
Chevrolet |
Silverado 2500 HD |
LTZ |
| 2004-2016 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2007 |
Chevrolet |
Silverado 2500 HD Classic |
LS |
| 2007 |
Chevrolet |
Silverado 2500 HD Classic |
LT |
| 2007 |
Chevrolet |
Silverado 2500 HD Classic |
WT |
| 2001-2005 |
Chevrolet |
Silverado 3500 |
Base |
| 2001-2006 |
Chevrolet |
Silverado 3500 |
LS |
| 2001-2006 |
Chevrolet |
Silverado 3500 |
LT |
| 2004,2006 |
Chevrolet |
Silverado 3500 |
WT |
| 2007 |
Chevrolet |
Silverado 3500 Classic |
LS |
| 2007 |
Chevrolet |
Silverado 3500 Classic |
LT |
| 2007 |
Chevrolet |
Silverado 3500 Classic |
WT |
| 2015-2016 |
Chevrolet |
Silverado 3500 HD |
High Country |
| 2007-2016 |
Chevrolet |
Silverado 3500 HD |
LT |
| 2007-2016 |
Chevrolet |
Silverado 3500 HD |
LTZ |
| 2007-2016 |
Chevrolet |
Silverado 3500 HD |
WT |
| 2002-2005,2015-2016 |
GMC |
Sierra 2500 HD |
Base |
| 2011-2016 |
GMC |
Sierra 2500 HD |
Denali |
| 2001-2002,2006 |
GMC |
Sierra 2500 HD |
SL |
| 2001-2016 |
GMC |
Sierra 2500 HD |
SLE |
| 2001-2016 |
GMC |
Sierra 2500 HD |
SLT |
| 2003-2014 |
GMC |
Sierra 2500 HD |
WT |
| 2007 |
GMC |
Sierra 2500 HD Classic |
SL |
| 2007 |
GMC |
Sierra 2500 HD Classic |
SLE |
| 2007 |
GMC |
Sierra 2500 HD Classic |
SLT |
| 2007 |
GMC |
Sierra 2500 HD Classic |
WT |
| 2002-2005 |
GMC |
Sierra 3500 |
Base |
| 2001-2002,2006 |
GMC |
Sierra 3500 |
SL |
| 2001-2006 |
GMC |
Sierra 3500 |
SLE |
| 2001-2006 |
GMC |
Sierra 3500 |
SLT |
| 2004-2006 |
GMC |
Sierra 3500 |
WT |
| 2007 |
GMC |
Sierra 3500 Classic |
SL |
| 2007 |
GMC |
Sierra 3500 Classic |
SLE |
| 2007 |
GMC |
Sierra 3500 Classic |
SLT |
| 2007 |
GMC |
Sierra 3500 Classic |
WT |
| 2015-2016 |
GMC |
Sierra 3500 HD |
Base |
| 2011-2016 |
GMC |
Sierra 3500 HD |
Denali |
| 2007-2016 |
GMC |
Sierra 3500 HD |
SLE |
| 2007-2016 |
GMC |
Sierra 3500 HD |
SLT |
| 2007-2014 |
GMC |
Sierra 3500 HD |
WT |
